Basic programming exercises and solutions in C

This programming exercise is fully intended for the beginners who have just started to code. After completing this you would be familiar with the programming structures and semantics in C and will also increase your logical thinking ability. If you are not a beginner you can try some other exercises.

Required knowledge

Fundamentals of C, Data types, Taking user input in C

Here is a set of basic programming exercises to practice for beginners.

1. Write a C program to enter two numbers and find their sum.
2. Write a C program to enter two numbers and perform all arithmetic operations.
3. Write a C program to enter length and breadth of a rectangle and find its perimeter.
4. Write a C program to enter length and breadth of a rectangle and find its area.
5. Write a C program to enter radius of a circle and find its diameter, circumference and area.
6. Write a C program to enter length in centimeter and convert it into meter and kilometer.
7. Write a C program to enter temperature in °Celsius and convert it into °Fahrenheit.
8. Write a C program to enter temperature in Fahrenheit(°F) and convert it into Celsius(°C)
9. Write a C program to convert days into years, weeks and days.
10. Write a C program to find power of any number x ^ y.
11. Write a C program to enter any number and calculate its square root.
12. Write a C program to enter two angles of a triangle and find the third angle.
13. Write a C program to enter base and height of a triangle and find its area.
14. Write a C program to calculate area of an equilateral triangle.
15. Write a C program to enter marks of five subjects and calculate total, average and percentage.
16. Write a C program to enter P, T, R and calculate Simple Interest.
17. Write a C program to enter P, T, R and calculate Compound Interest.